Having problems with your Gateway HD2200 LCD Monitor ?

Same problem 2 seconds on, then turns black

\015 Monitor HD2200 flashes the Gateway logo upon startup, then goes black. Occasionally, it will display the login screen for maybe 2 seconds and then go black again. It is less than a year old. It does NOT power off, the power remains on . HAVE A SOLUTION?\015

Answers :

The problem with the monitor is the power inverter board. I took my\015\012monitor apart and tested all the power outputs. The ones going to the\015\012main board where ok but the ones going to the backlight where\015\012different. I changed the three capacitors on the power board that where\015\012located between the two heat sinks I think it was the 1000uf and the\015\012two 470uf. They looked ok but when i tested them they where off. Next\015\012on the opposite side of the board with all the little componites there\015\012are a few dry joins that you have to resolder. If you cant find then\015\012you can just resolder the whole back board it should only take 30min.\015\012If you have no idea what i am talking about i would not sugest taking\015\012the monitor apart.
I also had the same problem with the LCD powering up and then turning off. replaced all the caps, reflowed the whole power supply board, and tested voltages. turns out one of the CCFLs was bad. i temporarily swapped out the bad one with a laptop CCFL to test. lamps are reported to be 480mm X 2.6mm.
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